﻿using pk3DS.Core;
using pk3DS.Core.Structures.PersonalInfo;
using System.Linq;

namespace pk3DS.WinForms;

public static class Randomizer
{
    internal static int GetRandomForme(int species, bool mega, bool alola, PersonalInfo[] stats = null)
    {
        if (stats == null)
            return 0;
        if (stats[species].FormeCount <= 1)
            return 0;
        if (species is 664 or 665 or 666) // vivillon
            return 30; // save file specific
        if (species == 774) // minior
            return (int)(Util.Random32() % 7);
        if (alola && Legal.EvolveToAlolanForms.Contains(species))
            return (int)(Util.Random32() % 2);
        if (!Legal.Mega_ORAS.Contains((ushort)species) || mega)
            return (int)(Util.Random32() % stats[species].FormeCount); // Slot-Random
        return 0;
    }

    /// <summary>
    /// Multiplies the current level with a scaling factor, returning a modified level.
    /// </summary>
    /// <param name="level">Current Level.</param>
    /// <param name="factor">Modification factor.</param>
    /// <returns>Boosted (or reduced) level.</returns>
    internal static int GetModifiedLevel(int level, decimal factor)
    {
        int newlvl = (int)(level * factor);
        if (newlvl < 1)
            return 1;
        if (newlvl > 100)
            return 100;
        return newlvl;
    }

    internal static int[] GetRandomItemList()
    {
        if (Main.Config.ORAS)
            return Items_HeldAO.Concat(Items_Ball).Where(i => i != 0).ToArray();
        if (Main.Config.XY)
            return Items_HeldXY.Concat(Items_Ball).Where(i => i != 0).ToArray();
        if (Main.Config.SM || Main.Config.USUM)
            return HeldItemsBuy_SM.Select(i => (int)i).Concat(Items_Ball).Where(i => i != 0).ToArray();
        return new int[1];
    }
    #region Random Item List
    private static readonly int[] Items_HeldXY =
    [
        /* 000, */ 001, 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 012, 013, 014, 015, 017, 018, 019, 020, 021, 022,
        023, 024, 025, 026, 027, 028, 029, 030, 031, 032, 033, 034, 035,
        036, 037, 038, 039, 040, 041, 042, 043, 044, 045, 046, 047, 048, 049, 050, 051, 052, 053, 054, 055, 056, 057,
        058, 059, 060, 061, 062, 063, 064, 065, 066, 067, 068, 069, 070,
        071, 072, 073, 074, 075, 076, 077, 078, 079, 080, 081, 082, 083, 084, 085, 086, 087, 088, 089, 090, 091, 092,
        093, 094, 099, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
        110, 112, 116, 117, 118, 119, 134, 135, 136, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161,
        162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174,
        175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
        197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
        210, 211, 212, 213, 214, 215, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,
        233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244,
        245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266,
        267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279,
        280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301,
        302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314,
        315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 504, 537, 538, 539, 540, 541, 542, 543, 544,
        545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557,
        558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 577, 580, 581, 582, 583, 584,
        585, 586, 587, 588, 589, 590, 591, 639, 640, 644, 645, 646, 647,
        648, 649, 650, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670,
        671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683,
        684, 685, 686, 687, 688, 699, 704, 708, 709, 710, 711, 715,
    ];

    private static readonly int[] Items_HeldAO =
    [
        .. Items_HeldXY,
        .. new[]
        {
            534, 535,
            752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 767, 768, 769, 770,
        },
    ];

    private static readonly int[] Items_Ball =
    [
        000, 001, 002, 003, 004, 005, 006, 007, 008, 009, 010, 011, 012,
        013, 014, 015, 016, 492, 493, 494, 495, 496, 497, 498, 499, 576,
    ];
    #endregion

    #region Gen7

    internal static readonly ushort[] Pouch_Regular_SM = // 00
    [
        068, 069, 070, 071, 072, 073, 074, 075, 076, 077, 078, 079, 080, 081, 082, 083, 084, 085, 086, 087,
        088, 089, 090, 091, 092, 093, 094, 099, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
        112, 116, 117, 118, 119, 135, 136, 137, 213, 214, 215, 217, 218, 219, 220, 221, 222, 223, 224, 225,
        226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245,
        246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265,
        266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285,
        286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305,
        306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325,
        326, 327, 499, 534, 535, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551,
        552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 571, 572, 573, 580, 581, 582, 583,
        584, 585, 586, 587, 588, 589, 590, 639, 640, 644, 645, 646, 647, 648, 649, 650, 656, 657, 658, 659,
        660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679,
        680, 681, 682, 683, 684, 685, 699, 704, 710, 711, 715, 752, 753, 754, 755, 756, 757, 758, 759, 760,
        761, 762, 763, 764, 767, 768, 769, 770, 795, 796, 844, 849, 853, 854, 855, 856, 879, 880, 881, 882,
        883, 884, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920,
    ];

    internal static readonly ushort[] Pouch_Ball_SM =
    [ // 08
        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 492, 493, 494, 495, 496, 497, 498, 576,
        851,
    ];

    internal static readonly ushort[] Pouch_Battle_SM =
    [ // 16
        55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 577,
        846,
    ];

    internal static readonly ushort[] Pouch_Items_SM = [.. Pouch_Regular_SM, .. Pouch_Ball_SM, .. Pouch_Battle_SM];

    internal static readonly ushort[] Pouch_Key_SM =
    [
        216, 465, 466, 628, 629, 631, 632, 633, 638, 696,
        705, 706, 765, 773, 797,
        841, 842, 843, 845, 847, 850, 857, 858, 860,
    ];

    internal static readonly ushort[] Pouch_TMHM_SM =
    [ // 02
        328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345,
        346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363,
        364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381,
        382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399,
        400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417,
        418, 419, 618, 619, 620, 690, 691, 692, 693, 694,
    ];

    internal static readonly ushort[] Pouch_Medicine_SM =
    [ // 32
        17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 65, 66, 67, 134,
        504, 565, 566, 567, 568, 569, 570, 591, 708, 709,
        852,
    ];

    internal static readonly ushort[] Pouch_Berries_SM =
    [
        149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212,
        686, 687, 688,
    ];

    internal static readonly ushort[] Pouch_ZCrystal_SM =
    [ // Bead
        807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835,
    ];

    internal static readonly ushort[] Pouch_ZCrystalHeld_SM =
    [ // Piece
        776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 798, 799, 800, 801, 802, 803, 804, 805, 806, 836,
    ];

    internal static readonly ushort[] HeldItems_SM = new ushort[1].Concat(Pouch_Items_SM).Concat(Pouch_Berries_SM).Concat(Pouch_Medicine_SM).Concat(Pouch_ZCrystalHeld_SM).ToArray();
    internal static readonly ushort[] HeldItemsBuy_SM = new ushort[1].Concat(Pouch_Items_SM).Concat(Pouch_Medicine_SM).ToArray();
    #endregion
}